EP0172358A2 - Machine combinée pour l'ameublissement du sol et la préparation d'un lit de semence - Google Patents

Machine combinée pour l'ameublissement du sol et la préparation d'un lit de semence Download PDF

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Publication number
EP0172358A2
EP0172358A2 EP19850107788 EP85107788A EP0172358A2 EP 0172358 A2 EP0172358 A2 EP 0172358A2 EP 19850107788 EP19850107788 EP 19850107788 EP 85107788 A EP85107788 A EP 85107788A EP 0172358 A2 EP0172358 A2 EP 0172358A2
Authority
EP
European Patent Office
Prior art keywords
frame
loosening
combination according
soil
attached
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19850107788
Other languages
German (de)
English (en)
Other versions
EP0172358B1 (fr
EP0172358A3 (en
Inventor
Ernst Weichel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuhn SAS
Original Assignee
Kuhn SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19843424250 external-priority patent/DE3424250A1/de
Application filed by Kuhn SAS filed Critical Kuhn SAS
Priority to EP89100129A priority Critical patent/EP0317549B1/fr
Priority to AT85107788T priority patent/ATE88609T1/de
Publication of EP0172358A2 publication Critical patent/EP0172358A2/fr
Publication of EP0172358A3 publication Critical patent/EP0172358A3/de
Application granted granted Critical
Publication of EP0172358B1 publication Critical patent/EP0172358B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
    • A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
    • A01B33/087—Lifting devices; Depth regulation devices; Mountings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B35/00—Other machines for working soil
    • A01B35/20—Tools; Details
    • A01B35/22—Non-rotating tools; Resilient or flexible mounting of rigid tools
    • A01B35/225—Non-rotating tools; Resilient or flexible mounting of rigid tools the tools being adapted to allow the chisel point to be easily fitted or removed from the shank
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/02—Combined machines with two or more soil-working tools of different kind
    • A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00—Methods for working soil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion

Definitions

  • wing shares their holding stems are in proportion large distances may be arranged next to each other, and the ground can also be undercut across the entire working width of the devices.
  • these wing shares do not only need too much traction on dry, compacted soils at great working depth, but there is also the disadvantage that the holding handles of these wing shares can only be arranged inadequately or not at all in the direction of travel, can be arranged on the support tube.
  • Another disadvantage here is that the milling knife between the tines tied coulters can only be screwed on exceptionally because they protrude too far below the path of movement of the tines and can cause stones to become jammed.
  • Attempts to arrange the vertical holding stems for leaf shares in two rows in succession by temporarily equipping the layer cultivator with a second cross member or arranging individual stems on stalk holders projecting forward and backward could not eliminate the disadvantage that reconstruction work was always necessary, and that the overall length of two-row or two-beam cultivators is so large that average tractors cannot lift its weight or that of a coupled harrow or drill.
  • the object of the present invention is therefore to eliminate the disadvantages mentioned above and to improve the device for loosening the soil and / or the device for crumbling the uppermost layer of soil in such a way that both devices are used both individually and also combined with one another or with other work tools and that the tractor can also be used in successive operations with the same or different devices or device combinations can always drive in the same lane without leaving an unclogged lane in the field ordered.
  • An additional part of the task is still to dimension the device for seedbed preparation, in particular the frame and the trestle, so that the device combination can be built even lighter and very short if necessary.
  • the arable soil is now always first loosened in strips by a few leaf coulters arranged side by side at a relatively large distance, so that it does not happen that a coherent base plate is lifted off. "Benches" remain between the loosened field strips, which are either cut immediately afterwards or in a later step separately from the coulters arranged further back and raised when the soil loosened from the preceding coulters of the adjacent field strips has already been put down again.
  • the whole field is prepared for sowing and the remaining field strips are loosened.
  • the blade shares are arranged in two rows, there is no extension of the overall length of the overall combination.
  • Coupling the new rotor harrow to the extremely short "single-beam" stratified trubber creates an extremely compact "short combination" to which other implements, e.g. a packer roller or a. Drill can be coupled or placed.
  • the layer cultivator can of course also be used with any other tine or disc harrow or tillage machine or rotary harrow . be combined.
  • the rotor harrow can be used on its own, as well as combined with the layer cultivator installed in front of or behind it or with other implements, such as a fertilizer spreader or a seed drill.
  • other implements such as a fertilizer spreader or a seed drill.
  • curved stems for loosening coulters attached in front of and below the rotating tines could also be attached to the rear of the rotor harrow frame, for example, to mix large amounts of straw without clogging and at the same time loosen them deeply.
  • a further shortening of the overall length of the device combination can even be achieved by arranging all the stems on the frame of the device for surface processing, or by bending and projecting stems alternating with vertical stems with leaf shares next to and in the direction of travel attached in front or behind the frame staggered one behind the other.
  • farms with smaller tractors can therefore do without the single-beam cultivator altogether. Since the coulters are always staggered at large intervals and the rear coulters are arranged in a gap to the front coulters, the lifting of large clods of earth is safely avoided.
  • the rotor harrow can also be used with all (on the set the correct line spacing) stems with leaf shares, ie the soil is loosened deeply and the soil is crumbled flat with the tine rotor.
  • the holding devices for the stems are either welded firmly to the support frame of the device for preparing the seedbed, or, if necessary, clamped laterally adjustable at different intervals on at least one additional frame tube.
  • the stems in the holding device are preferably easily removable and can be fixed at different heights.
  • the layer cultivator on the front linkage and all of its loosening bodies are arranged between or to the side of the wheel tracks. Then the rotor harrow and / or the combination roller can be coupled to the rear power lift of the tractor and a loosening body can be attached to one of these devices at least in the wheel tracks. This gives a favorable distribution of the weight of the implements to the front and rear axles of the tractor, which makes it possible to loosen the soil deeply, prepare it ready for sowing and order it without leaving a single tractor track in the loosened seedbed.
  • a rotor harrow with a sowing rail and a mounted seed drill mounted on the rear of the tractor can be used with particular advantage if a loosening body is attached to it behind the tractor wheels as a loosener.
  • the 'rotor harrow with attached or mounted seed drill and the combi can roller are coupled together when two or more stalks with leaf coulters (e.g. in the tractor track or at other intervals) and at a working depth that is below the previously worked horizon are used to loosen the soil even more without loosing it An excessively long combination is created, which previously seemed necessary when using the layer cultivator + rotor harrow with combination roller and seeder.
  • FIG. 1a shows a perspective view obliquely from the rear to the front of a tractor with an attached implement combination for loosening the soil and preparing the seedbed in the working position;
  • FIG. 1b shows a partially sectioned side view of this combination with a somewhat modified arrangement of the coulter stems and a packer roller;
  • FIG. 3a shows a perspective view corresponding to FIG. 1a of the implement coupled directly to the tractor for crumbling the ground surface with loosening bodies additionally arranged on this frame and a packer roller in the working position;
  • Fig. 4c is a top view of an over theraredider Figures 2 and 3b modified embodiment with 2 additional on the front and 'rear side of the supporting frame arranged frame tubes and holding devices for sticks of loosening shares with attached Zahnpackerwalze with scrapers;
  • FIG. 5b shows a partial top view of structural details of an exemplary embodiment modified compared to FIG. 3b;
  • FIGS. 4a and 4b. 3b show 19th partial views of the exemplary embodiment according to FIGS. 4a and 4b. 3b, which has only one additional central frame support tube and a particularly advantageous embodiment of handle holders which can be attached to the front and rear;
  • Fig. 9b shows the corresponding view of an all-wheel tractor with front linkage and attached cultivator with support wheels, rotor harrow attached to the rear with curved stems attached to the rear of the frame with leaf shares and a combination roller and a trailer seed drill;
  • Fig. 9d shows an embodiment modified from Fig. 9b, in which different types of support rods are arranged side by side on the back of the frame of the rotor harrow, each with staggered blade shares, and a drilling device is placed on the combination roller;
  • 9e shows a further modified embodiment of an all-wheel-drive special tractor with a layer cultivator arranged on the front linkage and a combination roller arranged on the rear linkage, on the front of which there are holding handles for loosening shares and on the back of which a seed drill is coupled;
  • 10b is a schematic plan view of a normal tractor with twin tires at the front and rear and a layer cultivator with double support wheels and 4 loosening coulters attached to the front linkage, rotor harrow attached to the rear linkage with leaf coulters arranged in the lanes and in the middle on curved support posts and a so-called packer roller. Seed drill;
  • FIG. 12 shows a normal tractor with a vibratory cultivator with a combination roller attached to the front linkage and a rotor harrow with milling tools with a body attachment attached to the rear linkage.
  • Fig. 13 shows the schematic side view of another device combination, in which a front flail chopper is arranged on the rear linkage, on this a rotor harrow with bent support rods attached behind its frame and coupled packer roller seed drill;
  • brackets 31 projecting downwards for the lower links 32 of the tractor and upwardly projecting brackets 33 for the upper links 34 of the tractor as well as height-adjustable support wheels 37 and adjusting spindles 39 guided in ball eyes 38 are mounted.
  • a heavy tractor with the combination of implements 1, 7 and 10 or 6 and both on the frame 4 and on the frame 30 can preferably be different on gaps to the sheet shares 2 b arranged on the frame 4 Width the entire field 17, which corresponds to the working width of both implements, to an adjustable depth without gaps, but loosen so that the first row 28 of the coulters 2b only loosens the soil in strips, without detaching "soil plates" from the compacted composite, while the second row 29 loosens the space 15 between two coulters 2b which has not been loosened by the first row 28, ie raises the ground so that it crumbles flat from the tines 27 of the rotating tool carrier 6 to an adjustable depth, from the mouldboard 53 with a lip
  • the tractor can lift the total weight of these devices, it is possible to attach a lower implement to the lower link 46 and upper link 45, which are arranged on the rear of the frame tube 30 and held at adjustable height by the spindles 39 Coupling the seed drill 13, 77.
  • Figures 7a, 7b and 7c show some structural details of the implement No. 7 shown in Figure 3b.
  • Figure 7a and 7b can be seen the construction of the trestle 44, which is fixed in the middle of the frame tube 30, that is placed on this , and the fourfold connection of the frame tube 30 with the hollow support 47 running parallel to it through the outer brackets 52 and through the middle brackets 52a, which are double, because they are also used as a front lower attachment 26a for the lower links 32 of the tractor 12 or serve the layer cultivator 1.
  • the combination roller 89 is located behind the rotor harrow 1 and the seed drill 77 is placed on the combination roller 89, while the coulters 90 are arranged on a frame 91 with a harrow 92 which is articulated on the frame of the combination roller 89.
  • This combination also has a particularly short design.
  • forward and vertical support rods 3a, 3b are attached next to each other so that all the stems can be attached to the back of the device 7, and still the coulters can be staggered somewhat in the direction of travel.
  • a simple tube 30 without lower and upper link brackets is also provided instead of the layer cultivator on the rotor harrow according to FIGS. 17, 18 and 19 to attach to the handle holder to the front and back.
  • This tube 30 can be connected fixedly or detachably to the implement 7, so that essentially the same properties of the combination can be achieved as those according to FIGS. 14-16.
  • the additional frame tubes also serve as the basis for the fastening parts for a attachable seed drill and also generally as a stiffening of the frame of the rotor harrow, so that relatively large working widths can be created in a very cost-effective and weight-saving manner and in a space-saving manner.
  • a particular advantage of this construction is that one and the same drill can be placed both on the rotor harrow and on the combination roller, so that in all cases where the rotor harrow is not required, or after the rotor harrow, a recompaction of the seedbed created by it is necessary with one and the same seed drill and a short combination to be able to play at a favorable center of gravity.
  • the moldboard into a second receiving bore is laid behind the frame, so that a free space is created between the frame and the upper edge of the mouldboard, in which the handles can be guided downward.
  • This free space is also used to allow seed pipes of an attached seed drill to end directly in front of the mouldboard, so that the seed can be inserted into the current raised by the rotor harrow and then pressed on by the packer or combination roller.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Working Implements (AREA)
  • Disintegrating Or Milling (AREA)
  • Agricultural Machines (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Transplanting Machines (AREA)
EP85107788A 1984-06-30 1985-06-24 Machine combinée pour l'ameublissement du sol et la préparation d'un lit de semence Expired - Lifetime EP0172358B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP89100129A EP0317549B1 (fr) 1984-06-30 1985-06-24 Machine combinée pour le décompactage et l'ameublissement d'une couche de sol superficielle
AT85107788T ATE88609T1 (de) 1984-06-30 1985-06-24 Geraetekombination zur bodenlockerung und saatbettherrichtung.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3424250 1984-06-30
DE19843424250 DE3424250A1 (de) 1984-06-30 1984-06-30 Arbeitsverfahren und geraetekombination zur bodenlockerung, saatbettherrichtung usw.
DE3427655 1984-07-26
DE3427655 1984-07-26

Related Child Applications (4)

Application Number Title Priority Date Filing Date
EP89100129A Division EP0317549B1 (fr) 1984-06-30 1985-06-24 Machine combinée pour le décompactage et l'ameublissement d'une couche de sol superficielle
EP19890100128 Division EP0317548A3 (fr) 1984-06-30 1985-06-24 Machine pour le travail du sol
EP89100129.9 Division-Into 1989-01-05
EP89100128.1 Division-Into 1989-01-05

Publications (3)

Publication Number Publication Date
EP0172358A2 true EP0172358A2 (fr) 1986-02-26
EP0172358A3 EP0172358A3 (en) 1987-09-02
EP0172358B1 EP0172358B1 (fr) 1993-04-28

Family

ID=25822547

Family Applications (3)

Application Number Title Priority Date Filing Date
EP19890100128 Withdrawn EP0317548A3 (fr) 1984-06-30 1985-06-24 Machine pour le travail du sol
EP85107788A Expired - Lifetime EP0172358B1 (fr) 1984-06-30 1985-06-24 Machine combinée pour l'ameublissement du sol et la préparation d'un lit de semence
EP89100129A Expired - Lifetime EP0317549B1 (fr) 1984-06-30 1985-06-24 Machine combinée pour le décompactage et l'ameublissement d'une couche de sol superficielle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19890100128 Withdrawn EP0317548A3 (fr) 1984-06-30 1985-06-24 Machine pour le travail du sol

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89100129A Expired - Lifetime EP0317549B1 (fr) 1984-06-30 1985-06-24 Machine combinée pour le décompactage et l'ameublissement d'une couche de sol superficielle

Country Status (5)

Country Link
EP (3) EP0317548A3 (fr)
AT (2) ATE111684T1 (fr)
AU (1) AU4442585A (fr)
DE (2) DE3587303D1 (fr)
ES (1) ES8700893A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2442303C1 (ru) * 2010-08-17 2012-02-20 Федеральное Государственное Образовательное Учреждение Высшего Профессионального Образования "Саратовский Государственный Аграрный Университет Имени Н.И. Вавилова" Способ основной обработки почвы
CN102870521A (zh) * 2012-10-28 2013-01-16 西北农林科技大学 一种深松碎土联合作业机
CN106508140A (zh) * 2016-12-23 2017-03-22 新平紫岩农业机械工程有限公司 一种多功能整地作业机
CN109964557A (zh) * 2018-05-11 2019-07-05 桐城市天地泰农业科技有限公司 一种安全手扶松土器
CN111201850A (zh) * 2019-12-06 2020-05-29 安徽农业大学 一种水稻智能化播种施肥控制系统及其控制方法
US10925207B2 (en) 2018-08-21 2021-02-23 Cnh Industrial Canada, Ltd. Depth adjustment system with adjustable mount
US10939609B2 (en) 2018-08-21 2021-03-09 Cnh Industrial Canada, Ltd. Depth adjustment system for ground engaging tool
CN115669322A (zh) * 2022-12-30 2023-02-03 山西农业大学 一种基于秸秆压模覆盖的切槽播种装置
CN117480889A (zh) * 2023-11-27 2024-02-02 中国科学院沈阳应用生态研究所 一种耕层下旋混式白浆土改良犁

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010063126A1 (fr) * 2008-12-04 2010-06-10 David Baker Equipements pour travail du sol et disques de cisaillement utilisés avec des tracteurs
CN108012625A (zh) * 2017-12-28 2018-05-11 五河县鹏润机械科技有限公司 一种麦田地专用拖沟耥板
DE102019116389A1 (de) 2019-06-17 2020-12-17 Grimme Landmaschinenfabrik Gmbh & Co. Kg Tragwerk für die Verbindung zweier landwirtschaftlicher Anbaugeräte mit einem Schlepper sowie landwirtschaftliches Anbaugerät
CN110915324A (zh) * 2019-12-04 2020-03-27 徐州润田农业机械有限公司 一种农用松土装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1757310A1 (de) * 1968-04-24 1971-04-08 Schmotzer Maschf Bodenbearbeitungs-Kombination
FR2060251B1 (fr) * 1969-09-23 1974-02-22 Fenet Ets
DE2228385A1 (de) * 1972-06-10 1973-12-20 Wtz Landtechnik Lockerungswerkzeug
DE2546080A1 (de) * 1975-10-15 1977-04-21 Howard Machinery Ltd Schleppergezogenes bodenbearbeitungsgeraet
DE2819990A1 (de) * 1978-05-08 1979-11-15 Ernst Weichel An einem geraet zur bodenlockerung anbaubare vorrichtung
DE2820407A1 (de) * 1978-05-10 1979-11-08 Ernst Weichel Arbeitsverfahren und vorrichtung zur bodenlockerung und/oder saatbettherrichtung
SE7907514L (sv) * 1978-09-12 1980-03-13 Weichel Ernst Redskap for uppluckring eller harvning av odlingsjord
DE3004576A1 (de) * 1980-02-08 1981-08-13 Maschinenfabrik Rau Gmbh, 7315 Weilheim Kombinatsgeraet zur bodenbearbeitung
EP0039792A1 (fr) * 1980-05-09 1981-11-18 Ernst Weichel Outillage pour la préparation du lit de semence
DE8033066U1 (de) * 1980-12-12 1981-03-12 Weichel, Ernst, 7326 Heiningen Arbeitswerkzeug zur bodenlockerung
DE3127263A1 (de) * 1981-07-10 1983-01-27 Helmut Dipl.-Ing. 7321 Gammelshausen Gattinger "geraet zur bodenlockerung"
DE3128709A1 (de) * 1981-07-21 1983-02-10 Ernst 7326 Heiningen Weichel Schichtengrubber mit den arbeitswerkzeugen zugeordneter anpresswalze
DE3228891A1 (de) * 1982-08-03 1984-02-09 Ernst 7326 Heiningen Weichel Geraetekombination zur bodenlockerung und saatbettherrichtung

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2442303C1 (ru) * 2010-08-17 2012-02-20 Федеральное Государственное Образовательное Учреждение Высшего Профессионального Образования "Саратовский Государственный Аграрный Университет Имени Н.И. Вавилова" Способ основной обработки почвы
CN102870521A (zh) * 2012-10-28 2013-01-16 西北农林科技大学 一种深松碎土联合作业机
CN106508140A (zh) * 2016-12-23 2017-03-22 新平紫岩农业机械工程有限公司 一种多功能整地作业机
CN106508140B (zh) * 2016-12-23 2023-09-12 新平紫岩农业机械工程有限公司 一种多功能整地作业机
CN109964557A (zh) * 2018-05-11 2019-07-05 桐城市天地泰农业科技有限公司 一种安全手扶松土器
US10925207B2 (en) 2018-08-21 2021-02-23 Cnh Industrial Canada, Ltd. Depth adjustment system with adjustable mount
US10939609B2 (en) 2018-08-21 2021-03-09 Cnh Industrial Canada, Ltd. Depth adjustment system for ground engaging tool
CN111201850A (zh) * 2019-12-06 2020-05-29 安徽农业大学 一种水稻智能化播种施肥控制系统及其控制方法
CN111201850B (zh) * 2019-12-06 2023-09-22 安徽农业大学 一种水稻智能化播种施肥控制系统及其控制方法
CN115669322A (zh) * 2022-12-30 2023-02-03 山西农业大学 一种基于秸秆压模覆盖的切槽播种装置
CN115669322B (zh) * 2022-12-30 2023-04-11 山西农业大学 一种基于秸秆压模覆盖的切槽播种装置
CN117480889A (zh) * 2023-11-27 2024-02-02 中国科学院沈阳应用生态研究所 一种耕层下旋混式白浆土改良犁

Also Published As

Publication number Publication date
EP0317548A3 (fr) 1991-12-18
EP0317549A2 (fr) 1989-05-24
ATE111684T1 (de) 1994-10-15
ES544636A0 (es) 1986-12-01
ATE88609T1 (de) 1993-05-15
EP0317549B1 (fr) 1994-09-21
AU4442585A (en) 1986-04-10
EP0172358B1 (fr) 1993-04-28
ES8700893A1 (es) 1986-12-01
EP0317549A3 (fr) 1991-12-27
EP0317548A2 (fr) 1989-05-24
DE3587303D1 (de) 1993-06-03
DE3587929D1 (de) 1994-10-27
EP0172358A3 (en) 1987-09-02

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